6708240domain: NAppears in sequencesTriangle, read by rows, where row n of T = row n-1 of T^n (shift right 1 column) with T(n,0)=T(n,1) for n>0.at n=21A132986Triangle, read by rows, where row n of T = row n-1 of T^n (shift right 1 column) with T(n,0)=T(n,1) for n>0.at n=22A132986Column 0 of triangle A132986.at n=6A132987